Home / 1,299,217.15-1,947,140.30-578,533.37

Finding the Fourth Proportional to 1,299,217.15, 1,947,140.30 and 578,533.37

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Solution

The fourth proportional to 1,299,217.15, 1,947,140.30 and 578,533.37 is: 867,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,217.15 : 1,947,140.30 = 578,533.37 : x
  2. Step 2: Convert to fraction form
    1,299,217.15/1,947,140.30 = 578,533.37/x
  3. Step 3: Cross multiply
    1,299,217.15x = 1,947,140.30 × 578,533.37
  4. Step 4: Simplify right side
    1,299,217.15x = 1,126,485,631,332.44
  5. Step 5: Solve for x
    x = 1,126,485,631,332.44/1,299,217.15
  6. Step 6: Final answer
    x = 867,049.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.